Function authenticate

gql-cli/src/cli/gqlcli.rs:330–338

Authenticate a user and create a session

(
    coordinator: &Arc<QueryCoordinator>,
    username: &str,
    password: &str,
)

/// Authenticate a user and create a session
fn authenticate(
    coordinator: &Arc<QueryCoordinator>,
    username: &str,
    password: &str,
) -> Result<String, Box<dyn std::error::Error>> {
    coordinator
        .authenticate_and_create_session(username, password)
        .map_err(|e| e.into())
}

/// Print help message
fn print_help() {